IGCSE/GCSE/O & A Level/IB/University Student Forum
Qualification => Subject Doubts => GCE AS & A2 Level => Math => Topic started by: thecandydoll on May 11, 2010, 01:54:11 pm
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I am from CIE,any one following cie text book?
i have a doubt in practice exam 2 pg,287,
Q.no b ii
y=x^3-3x^2+12x
Find dy/dx
hence by completing square or totherwise prove gradient of curve is never less than 0
THANK YOU U!!